RSG Adult Anti-Slip Slipper Socks (8 Colors Available) Skid Resistant, Traction sole slipper Keep your feet warm and Toasty, Soft and Comfy One Size Fits: Women's Shoe Size 4-10,Men's Shoe Size 5.5-10. Depending on your shoe size they will fit longer or shorter toward the ankle. Machine Wash Gentle cycle, Tumble Dry, Use non chlorine bleach when neccessary 80% Acrylic - 20% Nylon